Undo Completion

If you accidentally mark a task as complete, you can undo it in several ways:

On iPhone and iPad, shake your device to undo. You can turn this off with the Shake To Undo option on the Settings screen.
On Mac, select Edit › Undo Last Completion.
On Apple Watch, open the task, select the button in the top-right, then select Undo.
On any device, open the task’s calendar and change the day. See Edit History for details.

Still stuck? Email support@streaks.app, or see all help topics.